1. Which of the following must happen first in order for DNA replication to occur? DNA polymerase binds to the leading strand DNA is unwound Hydrogen bonds form between bases chromosomes condense
2. Okazaki fragments form on the: lagging strand leading strand base-pairs 5' end
3. Which of the following is required for DNA replication to occur? DNA helicase DNA ligase DNA polymerase all of these
4. A nucleotide consists of: a nitrogen base a nitrogen base and a sugar a nitrogen base, sugar, and phosphate two nitrogen bases, a sugar, and a phosphate
5. The element that transformed the bacteria in Griffith's experiments was: protein capsules DNA heat
6. The Hershey-Chase research showed that: bacteria could be transformed DNA was the molecule of heredity DNA was in the shape of a double helix bases paired in a predictable way (A's to T's and G's to C's)
7. The "rungs" of the DNA ladder are made of: phosphates and bases sugars sugars and phosphates bases
8. Before the Hershey-Chase experiment, many scientists believed that ____ carried the hereditary information. proteins phages helicase the plasma membrane
9. In order to transform to a virulent form of bacteria, non encapsulated bacteria must: divide be exposed to killed capsulated bacteria be exposed to radioactive phosphorous infect a host
10. A DNA strand has the following bases: A A G C C A. What are the bases on its complimentary strand? A A G C C A A C C G A A T T C G G T C C A T T C
Score = Correct answers: